Поставьте глаголы, данные в скобках, во времена группы indefinite (present, past, future 1. this young engineer (to work) at a laboratory organized last year. 2. attendance at all lectures, seminars and practical sessions (to be) compulsary for all students. 3. specialization (to begin) in two years. 4. our university (to have) well-equipped laboratories and workshops. 5. my brother (to graduate) from the polytechnic four years ago. 6. our students (to carry) out independent research under the supervision of highly qualified professors and associate professors. 7. knowing the culture (to be) as important as knowing the language. 8. the academic year in england (to have) three terms. 9. . your friend (to enter) the penza university next year? 10. last year i (not to study) at the university.

1worked, works, will work

2were, are, will be

3began, begins, will begin

4had, has, will have

5graduated graduates, will graduate

6carried, carry, will carry

7was, is, will be

8had, has, have

9enteted, enter, will enter

10 did not study, do not study, will not study

1.works

2.is

3.will begin

4.has

5.graduated

6.carry

7.is

8.has

9.will...enter

10.didnt study

1. To get a constant current, you must have its source. 2. A pyrometer is used to measure the temperature of hot metals. 3. Man learned to dissolve atoms in order to receive a large amount of energy. 4. Scientists are trying to solve the problem associated with new phenomena of electricity. 5. Lightning rod-metal device for protecting buildings from lightning. 6. Carrying out experiments with atmospheric electricity was very dangerous at that time. 7. To magnetize an object is to place it in a magnet field.

1 . a) The girl (writing) on the blackboard is our best pupil. b) Everything ( written) here is quite right. It

2. a) The house (surrounded) by tall trees is very beautiful.

b) The wall (surrounding) the house was very high.

3. a) Who is that boy (doing) his homework at that table?

b) The exercises (done) by the pupils were easy.

4. a) The girl (washing) the floor is my sister.

b) The floor (washed) by Helen looked very clean.

5. a) We listened to the girls (singing) Rus­sian folk songs.

b) We listened to the Russian folk songs (sung) by the girls.

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